KABELLOW , Joseph Komenn; BARASA , Peter L.; OMULANDO , Carolyne A. Challenges other Languages Spoken in Upper Primary Schools have on the Teaching and Learning of English in Kenya . African Journal of Education,Science and Technology (AJEST), [S. l.], v. 1, n. 2, p. Pg 46–52, 2013. Disponível em: https://ajest.org/index.php/ajest/article/view/290. Acesso em: 12 jun. 2026.